// MapReduce executed by a read-only user when --auth enabled should only be able to use inline mode. Other modes require writing to an output collection which is not allowed. SERVER-3345
//
// This test requires users to persist across a restart.
// @tags: [requires_persistence]

baseName = "jstests_mr_auth";
dbName = "test";
out = baseName + "_out";

map = function(){ emit( this.x, this.y );}
red = function( k, vs ){ var s=0; for (var i=0; i<vs.length; i++) s+=vs[i]; return s;}
red2 = function( k, vs ){ return 42;}

// make sure writing is allowed when started without --auth enabled

dbms = MongoRunner.runMongod({bind_ip: "127.0.0.1"});
var d = dbms.getDB( dbName );
var t = d[ baseName ];

for( var i = 0; i < 1000; i++) t.insert( {_id:i, x:i%10, y:i%100} );
assert.eq( 1000, t.count(), "inserts failed" );

d.dropAllUsers();
d.getSisterDB( "admin" ).createUser({user: "admin", pwd: "admin", roles: jsTest.adminUserRoles });
d.getSisterDB( "admin" ).auth('admin', 'admin');
d.createUser({user: "write" , pwd: "write", roles: jsTest.basicUserRoles});
d.createUser({user: "read" , pwd: "read", roles: jsTest.readOnlyUserRoles});
d.getSisterDB( "admin" ).logout();

t.mapReduce( map, red, {out: { inline: 1 }} )

t.mapReduce( map, red, {out: { replace: out }} )
t.mapReduce( map, red, {out: { reduce: out }} )
t.mapReduce( map, red, {out: { merge: out }} )

d[ out ].drop();

MongoRunner.stopMongod(dbms);


// In --auth mode, read-only user should not be able to write to existing or temporary collection, thus only can execute inline mode

dbms = MongoRunner.runMongod({restart: true, cleanData: false, dbpath: dbms.dbpath, auth: "", bind_ip: "127.0.0.1"});
d = dbms.getDB( dbName );
t = d[ baseName ];

assert.throws( function() { t.findOne() }, [], "read without login" );

assert.throws( function(){ t.mapReduce( map, red, {out: { inline: 1 }} ) }, [], "m/r without login" );


d.auth( "read", "read" );

t.findOne()

t.mapReduce( map, red, {out: { inline: 1 }} )

assert.throws( function(){ t.mapReduce( map, red2, {out: { replace: out }} ) }, [], "read-only user shouldn't be able to output m/r to a collection" );
assert.throws( function(){ t.mapReduce( map, red2, {out: { reduce: out }} ) }, [], "read-only user shouldn't be able to output m/r to a collection" );
assert.throws( function(){ t.mapReduce( map, red2, {out: { merge: out }} ) }, [], "read-only user shouldn't be able to output m/r to a collection" );

assert.eq (0, d[ out ].count(), "output collection should be empty");

d.logout();

assert.throws( function(){ t.mapReduce( map, red, {out: { replace: out }} ) }, [], "m/r without login" );


d.auth( "write", "write" )

t.mapReduce( map, red, {out: { inline: 1 }} )

t.mapReduce( map, red, {out: { replace: out }} )
t.mapReduce( map, red, {out: { reduce: out }} )
t.mapReduce( map, red, {out: { merge: out }} )

// make sure it fails if output to a diff db
assert.throws(function() { t.mapReduce( map, red, {out: { replace: out, db: "admin" }} ) })

MongoRunner.stopMongod(dbms);

print("\n\n\nmr_auth.js SUCCESS\n\n\n");
